KLA12205
Multiple vulnerabilities in Microsoft Browser

Updated: 06/22/2021
Detect date
?
06/11/2021
Severity
?
Warning
Description

Multiple vulnerabilities were found in Microsoft Browser. Malicious users can exploit these vulnerabilities to cause denial of service, execute arbitrary code.

Below is a complete list of vulnerabilities:

  1. A type confusion vulnerability in V8 can be exploited to cause denial of service.
  2. An out of bounds write vulnerability in ANGLE can be exploited to cause denial of service or execute arbitrary code.
  3. A use after free vulnerability in Extensions can be exploited to cause denial of service or execute arbitrary code.
  4. A use after free vulnerability in BFCache can be exploited to cause denial of service or execute arbitrary code.
  5. A use after free vulnerability in Spell check can be exploited to cause denial of service or execute arbitrary code.
  6. A use after free vulnerability in Extensions can be exploited to cause denial of execute arbitrary code.
  7. A use after free vulnerability in Autofill can be exploited to cause denial of service or execute arbitrary code.
  8. A use after free vulnerability in Accessibility can be exploited to cause denial of execute arbitrary code.
  9. A use after free vulnerability in Loader can be exploited to cause denial of service or cause denial of service.
  10. A use after free vulnerability in Network service can be exploited to cause denial of execute arbitrary code.
Affected products

Microsoft Edge (Chromium-based)

Solution

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Original advisories

CVE-2021-30551
CVE-2021-30547
CVE-2021-30545
CVE-2021-30544
CVE-2021-30549
CVE-2021-30552
CVE-2021-30546
CVE-2021-30550
CVE-2021-30548
CVE-2021-30553

Impacts
?
ACE 
[?]

DoS 
[?]
Related products
Microsoft Edge
CVE-IDS
?
Microsoft official advisories
Microsoft Security Update Guide
Find out the statistics of the vulnerabilities spreading in your region